HD Voice

LCD: 3.5inch (480×320) color screen

6 Soft keys programmable

USB (1A) Port for Charging

Support SIP2.0 (RFC3261) and correlative RFCs

SIP support 1 SIP servers, and backup SIP proxy servers

Supports SIP UDP / TCP/ TLS

SIP support SIP domain, SIP authentication (none, basic, MD5) , DNS name of server, Peer to Peer / IP Call

Multi languages displayed (web)